Home / 15,064,673.28-20,789,101.44-8,188,746.24

Finding the Fourth Proportional to 15,064,673.28, 20,789,101.44 and 8,188,746.24

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Solution

The fourth proportional to 15,064,673.28, 20,789,101.44 and 8,188,746.24 is: 11,300,389.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,064,673.28 : 20,789,101.44 = 8,188,746.24 : x
  2. Step 2: Convert to fraction form
    15,064,673.28/20,789,101.44 = 8,188,746.24/x
  3. Step 3: Cross multiply
    15,064,673.28x = 20,789,101.44 × 8,188,746.24
  4. Step 4: Simplify right side
    15,064,673.28x = 170,236,676,249,778.59
  5. Step 5: Solve for x
    x = 170,236,676,249,778.59/15,064,673.28
  6. Step 6: Final answer
    x = 11,300,389.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.